Merge pull request #282 from mhbkb/workflow_adapt_iscustomized

Adapt tasks to use require source build/isCustomized.

Author: zvezdan

pygradle-plugin/src/main/groovy/com/linkedin/gradle/python/tasks/action/pip/PipInstallAction.java

@@ -133,7 +133,11 @@ private List<String> prepareCommandLine(PackageInfo packageInfo, List<String> ex
 
     private boolean appendCachedWheel(PackageInfo packageInfo, Optional<File> cachedWheel, List<String> commandLine) {
         if (!packageSettings.requiresSourceBuild(packageInfo)) {
-            cachedWheel = wheelCache.findWheel(packageInfo.getName(), packageInfo.getVersion(), pythonDetails);
+            // TODO: Check whether project layer cache exists.
+
+            if (!cachedWheel.isPresent() && !packageSettings.isCustomized(packageInfo)) {
+                cachedWheel = wheelCache.findWheel(packageInfo.getName(), packageInfo.getVersion(), pythonDetails);
+            }
         }
 
         if (cachedWheel.isPresent()) {

pygradle-plugin/src/main/groovy/com/linkedin/gradle/python/tasks/action/pip/PipWheelAction.java

@@ -104,20 +104,22 @@ void doPipOperation(PackageInfo packageInfo, List<String> extraArgs) {
      * always build these locally.
      */
     private boolean doesWheelExist(PackageInfo packageInfo) {
-        Optional<File> wheel = wheelCache.findWheel(packageInfo.getName(), packageInfo.getVersion(), pythonDetails);
-        if (wheel.isPresent()) {
-            File wheelFile = wheel.get();
-
-            try {
-                FileUtils.copyFile(wheelFile, new File(wheelExtension.getWheelCache(), wheelFile.getName()));
-            } catch (IOException e) {
-                throw new UncheckedIOException(e);
+        if (!packageSettings.isCustomized(packageInfo)) {
+            Optional<File> wheel = wheelCache.findWheel(packageInfo.getName(), packageInfo.getVersion(), pythonDetails);
+            if (wheel.isPresent()) {
+                File wheelFile = wheel.get();
+
+                try {
+                    FileUtils.copyFile(wheelFile, new File(wheelExtension.getWheelCache(), wheelFile.getName()));
+                } catch (IOException e) {
+                    throw new UncheckedIOException(e);
+                }
+
+                if (PythonHelpers.isPlainOrVerbose(project)) {
+                    logger.lifecycle("Skipping {}, in wheel cache {}", packageInfo.toShortHand(), wheelFile);
+                }
+                return true;
             }
-
-            if (PythonHelpers.isPlainOrVerbose(project)) {
-                logger.lifecycle("Skipping {}, in wheel cache {}", packageInfo.toShortHand(), wheelFile);
-            }
-            return true;
         }
 
         ConfigurableFileTree tree = project.fileTree(wheelExtension.getWheelCache(), action -> {